diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3c3629e --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules diff --git a/dist/index.d.ts b/dist/index.d.ts new file mode 100644 index 0000000..7e3e789 --- /dev/null +++ b/dist/index.d.ts @@ -0,0 +1,6 @@ +/** + * Deep clones a JavaScript value. + * @param value The value to clone. + */ +declare const clone: (value: T) => T; +export default clone; diff --git a/dist/index.js b/dist/index.js new file mode 100644 index 0000000..a1f332f --- /dev/null +++ b/dist/index.js @@ -0,0 +1,33 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +/** + * Deep clones a JavaScript value. + * @param value The value to clone. + */ +var clone = function (value) { + return innerClone(value); +}; +var innerClone = function (value) { + if (typeof value === "object") { + // Null is an object, so we need to explictly catch this + if (value === null) { + return null; + } + if (Array.isArray(value)) { + return value.map(innerClone); + } + if (value instanceof Date) { + return new Date(value); + } + var keys = Object.keys(value); + var newValue = {}; + for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) { + var key = keys_1[_i]; + newValue[key] = innerClone(value[key]); + } + return newValue; + } + return value; +}; +exports.default = clone; +//# sourceMappingURL=index.js.map \ No newline at end of file diff --git a/dist/index.js.map b/dist/index.js.map new file mode 100644 index 0000000..19debbb --- /dev/null +++ b/dist/index.js.map @@ -0,0 +1 @@ +{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;AAAA;;;GAGG;AACH,IAAM,KAAK,GAAG,UAAI,KAAQ;IACxB,OAAO,UAAU,CAAC,KAAK,CAAM,CAAC;AAChC,CAAC,CAAA;AAED,IAAM,UAAU,GAAG,UAAC,KAAU;IAC5B,IAAI,OAAO,KAAK,KAAK,QAAQ,EAAE;QAC7B,wDAAwD;QACxD,IAAI,KAAK,KAAK,IAAI,EAAE;YAClB,OAAO,IAAI,CAAC;SACb;QACD,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE;YACxB,OAAO,KAAK,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC;SAC9B;QACD,IAAI,KAAK,YAAY,IAAI,EAAE;YACzB,OAAO,IAAI,IAAI,CAAC,KAAK,CAAC,CAAC;SACxB;QACD,IAAM,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QAChC,IAAM,QAAQ,GAAwB,EAAE,CAAC;QACzC,KAAiB,UAAI,EAAJ,aAAI,EAAJ,kBAAI,EAAJ,IAAI,EAAE;YAAnB,IAAM,GAAG,aAAA;YACX,QAAQ,CAAC,GAAG,CAAC,GAAG,UAAU,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC;SACxC;QACD,OAAO,QAAQ,CAAC;KACjB;IACD,OAAO,KAAK,CAAC;AACf,CAAC,CAAA;AAED,kBAAe,KAAK,CAAC"} \ No newline at end of file diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..b8dfcc2 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,14 @@ +{ + "name": "@sahnee/clone", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "typescript": { + "version": "4.0.2", + "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.2.tgz", + "integrity": "sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==", + "dev": true + } + } +} diff --git a/package.json b/package.json new file mode 100644 index 0000000..61365aa --- /dev/null +++ b/package.json @@ -0,0 +1,15 @@ +{ + "name": "@sahnee/clone", + "version": "1.0.0", + "description": "A dependency-free utility library for deep cloning plain objects.", + "main": "dist/index.js", + "types": "dist/index.d.ts", + "scripts": { + "build": "tsc" + }, + "author": "Sahnee.dev", + "license": "(c) Sahnee.dev, all rights reserved", + "devDependencies": { + "typescript": "^4.0.2" + } +} diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..607875c --- /dev/null +++ b/src/index.ts @@ -0,0 +1,31 @@ +/** + * Deep clones a JavaScript value. + * @param value The value to clone. + */ +const clone = (value: T): T => { + return innerClone(value) as T; +} + +const innerClone = (value: any): any => { + if (typeof value === "object") { + // Null is an object, so we need to explictly catch this + if (value === null) { + return null; + } + if (Array.isArray(value)) { + return value.map(innerClone); + } + if (value instanceof Date) { + return new Date(value); + } + const keys = Object.keys(value); + const newValue: Record = {}; + for(const key of keys) { + newValue[key] = innerClone(value[key]); + } + return newValue; + } + return value; +} + +export default clone; diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..b1c0017 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,72 @@ +{ + "compilerOptions": { + /* Basic Options */ + // "incremental": true, /* Enable incremental compilation */ + "target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */ + "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */ + "lib": [ + "dom", + "esnext" + ], /* Specify library files to be included in the compilation. */ + // "allowJs": true, /* Allow javascript files to be compiled. */ + // "checkJs": true, /* Report errors in .js files. */ + // "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */ + "declaration": true, /* Generates corresponding '.d.ts' file. */ + // "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */ + "sourceMap": true, /* Generates corresponding '.map' file. */ + // "outFile": "./", /* Concatenate and emit output to single file. */ + "outDir": "./dist", /* Redirect output structure to the directory. */ + // "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */ + // "composite": true, /* Enable project compilation */ + // "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */ + // "removeComments": true, /* Do not emit comments to output. */ + // "noEmit": true, /* Do not emit outputs. */ + // "importHelpers": true, /* Import emit helpers from 'tslib'. */ + // "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */ + // "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */ + + /* Strict Type-Checking Options */ + "strict": true, /* Enable all strict type-checking options. */ + // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */ + // "strictNullChecks": true, /* Enable strict null checks. */ + // "strictFunctionTypes": true, /* Enable strict checking of function types. */ + // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */ + // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */ + // "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */ + // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */ + + /* Additional Checks */ + // "noUnusedLocals": true, /* Report errors on unused locals. */ + // "noUnusedParameters": true, /* Report errors on unused parameters. */ + // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */ + // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */ + + /* Module Resolution Options */ + // "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */ + // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */ + // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */ + // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */ + // "typeRoots": [], /* List of folders to include type definitions from. */ + // "types": [], /* Type declaration files to be included in compilation. */ + // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */ + "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */ + // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */ + // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ + + /* Source Map Options */ + // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */ + // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ + // "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */ + // "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */ + + /* Experimental Options */ + // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ + // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */ + + /* Advanced Options */ + "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */ + }, + "include": [ + "src/**/*" + ] +}